>There's the other study which showed how speaking multiple languages keeps your wits sharp longer. Helps delay the progress of senile dementia
>
>You mean like knowing VFP, C#, and VB.NET? ;)

Let's see... in decreasing order (by proficiency): Serbian, Fox, English, Hungarian, Cobol, TSQL, Russian, JavaScript, variants of Basic, PostScript, Polish (read only), Pascal, German, various script languages, Italian, Spanish, French (these read only), Forth, Fortran, Z80 assembler...